Re: [Bluez-users] [REGRESSION] last working kernel 2.6.18

[Marcel Holtmann <marcel@holtmann.org>]

Hi Guennadi,

> Doing "hcitool cc" under 2.6.18 establishes a connection and keeps it 
> open, which can be confirmed per "hcitool cc". Under 2.6.20 and 2.6.22 a 
> connection gets established, but is immediately (within 1-2 seconds) 
> broken. Is it a change in interfaces, is one supposed to connect 
> differently now, or is there a bug somewhere? It is hard to believe, that 
> such a bug could stay unnoticed and unfixed for at least 2 kernel 
> releases, so, has anything been changed in the API? As a partner a Linux 
> system with a 2.4.21 kernel is used. We have only tried thee three (.18, 
> .20, and .22) kernel versions so far.

as mentioned multiple times in the past, the "hcitool cc" is not a
general purpose command. Nobody needs to create an ACL link. The kernel
does this for you in the background and you should let the kernel do its
job. It has to be the kernel since it has to track these connections and
the users of it. Unused ACL links will be disconnected. Period.

There are simply no excuses for creating low-level ACL links and there
is absolutely no need for it at all.

Regards

Marcel



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